Add switch to make a swap file

conda_smithy/configure_feedstock.py

@@ -1733,6 +1733,7 @@ def _load_forge_config(forge_dir, exclusive_config_file, forge_yml=None):
                     "vmImage": "ubuntu-latest",
                 },
                 "timeoutInMinutes": 360,
+                "swapfile_size": "0GiB",
             },
             "settings_osx": {
                 "pool": {

conda_smithy/templates/azure-pipelines-linux.yml.tmpl

@@ -33,6 +33,14 @@ jobs:
          sudo docker image prune --all --force
          df -h
     displayName: Manage disk space
+{%- endif %}
+{%- if not (azure.swapfile_size|string).startswith("0") %}
+  - script: |
+         sudo fallocate -l {{ azure.settings_linux.swapfile_size }} /swapfile || true
+         sudo chmod 600 /swapfile || true
+         sudo mkswap /swapfile || true
+         sudo swapon /swapfile || true
+    displayName: Create swap file
 {%- endif %}
   # configure qemu binfmt-misc running.  This allows us to run docker containers
   # embedded qemu-static

news/make_swap.rst

@@ -0,0 +1,23 @@
+**Added:**
+
+* <news item>
+
+**Changed:**
+
+* Created option to create a swap file on the default linux image on Azure Pipelines
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* <news item>
+
+**Security:**
+
+* <news item>